Definition of correlation coefficient. : a number or function that indicates the degree of correlation between two sets of data or between two random variables and that is equal to their covariance divided by the product of their standard deviations.
Dekulakization (Russian ÑÐ°ÑÐºÑÐ»Ð°ÑÐ¸Ð²Ð°Ð½Ð¸Ðµ, raskulachivanie, Ukrainian ÑÐ¾Ð·ÐºÑÑÐºÑÐ»ÐµÐ½Ð½Ñ, rozkurkulennia) was the Soviet campaign of political repressions, including arrests ... A combination of dekulakization, collectivization, and other repressive policies led to mass starvation in many parts of the Soviet Union and the death of at least 14.5 million peasants ...
Debulking is the reduction of as much of the bulk (volume) of a tumour as possible. It is usually achieved by surgical removal. It is also known as cytoreduction or cytoreductive surgery (CRS); cytoreduction refers to reducing the number of tumor cells.